Carbon Hill is a village in Grundy County, Illinois, United States. The population was 345 at the 2010 census.
Carbon Hill is located at 41°17′47″N 88°17′58″W (41.296317, -88.299524).
According to the 2010 census, Carbon Hill has a total area of 0.18 square miles (0.47 km2), all land.
As of the census of 2000, there were 392 people, 149 households, and 109 families residing in the village. The population density was 2,226.9 people per square mile (840.8/km2). There were 157 housing units at an average density of 891.9 per square mile (336.8/km2). The racial makeup of the village was 98.21% White, 1.79% from other races. Hispanic or Latino of any race were 2.55% of the population.
There were 149 households, out of which 32.9% had children under the age of 18 living with them, 58.4% were married couples living together, 9.4% had a female householder with no husband present, and 26.2% were non-families. 19.5% of all households were made up of individuals, and 5.4% had someone living alone who was 65 years of age or older. The average household size was 2.63 and the average family size was 2.99.